answer:
B. Vote for Democrats
Step-by-step explanation:
a "blue state" refers to a state that generally votes for democrats.
red states (republican) and blue states got their meaning around the 2000s. these terms are exclusive to the US. current blue states are:
California
Conencticut
Delaware
Hawaii
Illinois
Maryland
Massachusetts
Minnesota
New Jersey
New Mexico
New York
Oregon
Rhode Island
Vermont
Washington
(ca. 2017)